(19)

(11)

EP 3 645 656 A1

(12)

(43) Date of publication: 06.05.2020 Bulletin 2020/19 (21) Application number: 18769531.7 (22) Date of filing: 17.08.2018

(51) International Patent Classification (IPC):  C09K 8/504(2006.01) C09K 8/516(2006.01) C04B 28/26(2006.01) C09K 8/506(2006.01) C04B 28/24(2006.01) (86) International application number: PCT/US2018/046833 (87) International publication number: WO 2019/036556 (21.02.2019 Gazette 2019/08)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 17.08.2017 US 201715679890 (71) Applicant: Saudi Arabian Oil Company 31311 Dhahran (SA)	(72) Inventors: WAGLE, Vikrant Dhahran 31311 (SA) KALGAONKAR, Rajendra Dhahran 31311 (SA) AL-YAMI, Abdullah Dhahran 31311 (SA) ALSAIHATI, Zainab Saihat 32434 (SA) (74) Representative: Dauncey, Mark Peter  Marks & Clerk LLP 1 New York Street Manchester M1 4HD Manchester M1 4HD (GB)